Born into a slave family, you found yourself often pushing against the master's wishes and were frequently beaten. Finally tiring of your resistance you were put up for sale, but when no new master was willing to spend time or money on such a wild spirit, it appeared as if you would be put down.
Luckily at the eleventh hour, a traveling fight master looking for fresh meat, saw something in you and brought you into his fighting troupe. It did not seam much of a reprieve as you were not expected to live long. After putting down one of his champions through a combination of cunning and luck, it was quickly discovered that you were more than capable in a fight and you skills were finely honed in 'the pits'. Following many successful matches you quickly became a spectator favourite earning the name Kirākana. Eventually you began to tire of the fame and the guiled cage and began dreaming of finding your own path.
Fearing his golden goose would leave, the fighting master decided to pit you in one final match against his latest favourite, setting you up to lose so that his profits would continue to flow. But despite drugging you prior to the fight his plan did not go well, as an unexpected distraction from a young Suna gave you chance to avoid death, kill the would be champion and visit a bloody and brutal revenge on the master.
With nowhere else to go and as repayment for saving your life, you have traveled with Suna ever since protecting her from both the world that would harm her and at times herself. After several years of aimless travel together she developed into a woman, gaining control over her powers and you increasingly looked to her for guidance and leadership. One day you are recognized from your days in the pit, your reputation as a brutal fighter earns you a place as muscle in the butterflies bandit gang and it doesn't take long for Suna to cement your place together as an effective weapon for the gang.